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Changes

https://math-kit.pages.dev
Compared to previous audit · 2 hours ago View previous audit
3
New issues
2
Resolved
9
score changes
CategoryPreviousCurrentChange
CompositeB (87)B (87)—
PerformanceA (94)A (94)—
SecurityC (78)C (78)—
AccessibilityB (83)B (83)—
SEOA (95)A (95)—
InfrastructureA (91)A (91)—
ComplianceC (75)C (75)—
ContentA+ (99)A+ (99)—
SustainabilityB (89)A (91) +2.000
MetricPreviousCurrentChange
Performance 98009700 -100
Accessibility 96009600—
Best Practices 1000010000—
SEO 1000010000—
PWA 00—
Desktop Performance 990010000 +100
Desktop Accessibility 1000010000—
Desktop Best Practices 1000010000—
Desktop SEO 1000010000—
FCP 957 ms963 ms—
LCP 1.26 s1.26 s—
TBT 151 ms186 ms +35 ms
CLS 0.0000.000—
Desktop FCP 659 ms560 ms -99 ms
Desktop LCP 766 ms635 ms -131 ms
Desktop TBT 0 ms0 ms—
Desktop CLS 0.0000.000—
TTFB †201 ms151 ms -50 ms
DNS †51 ms41 ms -10 ms
TLS 33 ms33 ms—
Connect 17 ms17 ms—
Total †202 ms152 ms -50 ms

† Timing metrics may vary by worker location and do not necessarily indicate site changes.

WARNING Third-party code accounts for 55% of page weight (189.5 KiB of 345.0 KiB) performance
WARNING https://www.googletagmanager.com/gtag/js?id=G-7CVV...: 302ms CPU time performance
WARNING 1 render-blocking <script src> tag(s) without async/defer performance
WARNING Third-party code accounts for 55% of page weight (189.2 KiB of 344.7 KiB) performance
WARNING https://www.googletagmanager.com/gtag/js?id=G-7CVV...: 267ms CPU time performance
CRITICAL HSTS header is missing security
CRITICAL Content-Security-Policy header is missing security
WARNING Transfer efficiency: 69% sustainability
WARNING 3 link(s) open in new tab without warning accessibility
WARNING Compressed response missing `Vary` header performance
WARNING No accessibility statement detected compliance
WARNING GDPR Article 13 disclosure coverage: 0 / 8 categories compliance
WARNING Cross-Origin-Opener-Policy header is missing security
WARNING 1 software version(s) disclosed in HTML: Astro v7.3.2 security
WARNING No DMARC record found security
WARNING No SPF record found security
WARNING Skip navigation link is missing (WCAG 2.4.1) accessibility
WARNING 2 control(s) rely on placeholder only accessibility
WARNING https://www.googletagmanager.com/gtag/js?id=G-7CVV...: 73 KB unused (41%) performance
WARNING X-Frame-Options header is missing security
WARNING Permissions-Policy header is missing security
WARNING Cross-Origin-Embedder-Policy header is missing security
WARNING SRI adoption: 0/2 third-party resources protected (0%) security
WARNING MTA-STS policy file present but DNS record missing security
WARNING 7 third-party resources (55% of weight) performance
WARNING External script from www.googletagmanager.com lacks integrity attribute security
WARNING External script from static.cloudflareinsights.com lacks integrity attribute security
WARNING No Permissions-Policy header security
WARNING https://math-kit.pages.dev/_astro/client.3KfiIzy5....: 34 KB unused (52%) performance

HTTP headers unchanged

8 headers unchanged

Technology stack unchanged

8 technologies unchanged

Looking ahead

+9 pts
B (87) Could reach A (96)
Security +22Accessibility +10Compliance +8Performance +6Sustainability +4

Estimate — actual results may vary (27 issues to fix)

Website improvement report — Math-kit.pages

October 29, 2026 → October 29, 2026

B B 87 → 87 0 pts

2

Resolved

3

New issues

24

Still remaining

Financial summary

Investment delivered

€680 in development time

Investment remaining

€3,499 to complete the remaining items

Ongoing risk

€0/month in ongoing exposure

Figures are estimates based on local developer hourly rate, industry CPC, and regulatory fine ranges.

Performance by category

MetricBeforeAfterChange
Overall score87 (B)87 (B)0
Performance94 (A)94 (A)0
Security78 (C)78 (C)0
Accessibility83 (B)83 (B)0
SEO95 (A)95 (A)0
Infrastructure91 (A)91 (A)0
Compliance75 (C)75 (C)0
Content99 (A+)99 (A+)0
Sustainability89 (B)91 (A)+2

Resolved (2)

  • Third-party code accounts for 55% of page weight (189.2 KiB of 344.7 KiB) (Performance)

    → Page loads faster for users

  • https://www.googletagmanager.com/gtag/js?id=G-7CVV...: 267ms CPU time (Performance)

    → Page loads faster for users

Recommended next steps (27)

  • Sprint 1

    HSTS header is missing (Security)

  • Sprint 2

    Content-Security-Policy header is missing (Security)

  • Sprint 3

    Third-party code accounts for 55% of page weight (189.5 KiB of 345.0 KiB) (Performance)

  • Sprint 1

    https://www.googletagmanager.com/gtag/js?id=G-7CVV...: 302ms CPU time (Performance)

  • Sprint 2

    1 render-blocking <script src> tag(s) without async/defer (Performance)

  • Sprint 1

    Transfer efficiency: 69% (Sustainability)

  • Sprint 1

    3 link(s) open in new tab without warning (Accessibility)

  • Sprint 2

    Compressed response missing `Vary` header (Performance)

  • Sprint 1

    No accessibility statement detected (Compliance)

  • Sprint 2

    GDPR Article 13 disclosure coverage: 0 / 8 categories (Compliance)

  • Sprint 1

    Cross-Origin-Opener-Policy header is missing (Security)

  • Sprint 1

    1 software version(s) disclosed in HTML: Astro v7.3.2 (Security)

  • Sprint 2

    No DMARC record found (Security)

  • Sprint 1

    No SPF record found (Security)

  • Sprint 1

    Skip navigation link is missing (WCAG 2.4.1) (Accessibility)

…and 12 more recommended item(s)

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